| Quantity | Value | Units | Value | Units |
| <Z/A> | 0.43209 | |||
| Specific gravity | 8.300 | g cm-3 | ||
| Mean excitation energy | 423.2 | eV | ||
| Minimum ionization | 1.326 | MeV g-1cm2 | 11.00 | MeV cm-1 |
| Nuclear collision length | 90.0 | g cm-2 | 10.85 | cm |
| Nuclear interaction length | 146.1 | g cm-2 | 17.61 | cm |
| Pion collision length | 116.5 | g cm-2 | 14.04 | cm |
| Pion interaction length | 178.3 | g cm-2 | 21.48 | cm |
| Radiation length | 8.99 | g cm-2 | 1.083 | cm |
| Critical energy | 12.61 | MeV (for e-) | 12.20 | MeV (for e+) |
| Molière radius | 15.13 | g cm-2 | 1.822 | cm |
| Plasma energy ℏωp | 54.57 | eV | ||
| Muon critical energy | 212. | GeV |
| Elem | Z | Atomic frac* | Mass frac |
| 71 | |||
| 13 | |||
| 8 | |||
| * calculated from mass fraction data | |||